Situated under the hood, the ECM acts as the brain of the car, constantly monitoring and adjusting various engine functions to ensure optimal operation.

One of the key functions of the ECM is to regulate the air-fuel mixture in the engine. By analyzing data from various sensors, such as the oxygen sensor and mass airflow sensor, the ECM can adjust the fuel injectors to maintain the ideal air-fuel ratio for combustion. This not only maximizes fuel efficiency but also reduces emissions, helping the Camry meet stringent environmental regulations.

Furthermore, the ECM controls ignition timing, ensuring that the spark plugs fire at the precise moment for optimal combustion. This not only improves engine performance and responsiveness but also reduces the risk of engine knock and other harmful conditions.

In addition to these functions, the ECM also monitors and controls other engine parameters, such as idle speed, exhaust gas recirculation, and cooling system operation. By overseeing all these aspects of the engine, the ECM helps maintain the Camry's reliability and longevity.

Overall, the engine control module in the 2021 Toyota Camry exemplifies the advancements in automotive technology, offering a high level of precision and control to enhance both performance and efficiency. Its intricate network of sensors and actuators work seamlessly to ensure that the engine operates at its best, making the driving experience both smooth and enjoyable.

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